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■ 5,-r <br />•‘■/^ v4>' <br />■»-Y ••,'■'• ^ <br />i-m. <br />ii'iSy <br />i-=*''-';‘w-'• <br />mm: • <br />5*^; .- vi-^ <br />Ms. Jeanne A. Mabusth <br />City of Orono <br />Page 2 <br />May 8, 1992 <br />We would recommend that a retaining wall be constructed along the steep bank to save the <br />oak trees and to provide a wider corridor for the ditch and trail. <br />The riprap should be extended all the way down to the water’s edge, as the lake is presently <br />at or near the Ordinary Normal High Water Level (ONHWL). <br />We 1. ~ beeninforuicd by the Miiineliaha Creek Watershed thai a pciinit may be necessary <br />to construct the improvements below the 100-year High Water Level of the lake. The <br />Minnesota Department of Natural Reserves and the U.S. Army Corps of Engineers should <br />also be contacted for their comments on the improvements. <br />Please contact me at this office if you have any questions. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC <br />JL, <br />Shawn D. Gustafson <br />SDG:Ik <br />;V'^v,v' ■■■.- ■ -V • <br />•vC* <br />i <br />J <br />1 <br />i <br />4